Switch Suspension MFG weld on behind axle lower air bag brackets. These brackets are super easy to work with, designed to weld to a 3" diameter round axle tube. Multiple air bag mounting options to fit our Economy 2500/2600 airbags or Firestone 2500/2600/9000 airbags or Slam Specialties SS-6/SS-7 airbags. cut from 3/16" mild steel and formed. Sold as a pair. Made in the USA. Fits: Weld On Features: Weld On Fit Multiple Bag Size Fitment 3/16" Mild Steel Construction Sold As A Pair Includes: Behind Axle Lower Air Bag Bracket (2) Switch Part# BRA-BA-UNV-L Why buy from Switch Suspension? Well let's start with the obvious one: We have a physical location in Mesa, AZ that you can come down and visit during regular hours. It's not only our retail hub, but also where you can get something done by one of our qualified installers. We also use what we sell. So if you want one of our kits, we can not only sell it to you, but also install it if you prefer. That means that we only use the fittings, air suspension kits and suspension lift kits that we use on our own vehicles, as well as our customers? rides. As a result, we only sell products that we believe in. We don't want unhappy customers; We strive for true believers in what we do and sell.